Aim
to test a sample of food contains protein
Equipment test tube sodium hydroxide NaOH copper sulfate cuso food sample
method
place about 2 ml of the sample into a test tube and add 5 drops of sodium hydroxide
add 5 drops of copper sulfate
shake the test tube gently from side to side
conclusion
I think something will happen and change the colorresult
when we poured in the mixture we shook it and it changed purple this one was for the egg
this picture is milk it changed blue as you can see and then we added more sodium hydroxide it turned to a purple
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